/* -------------------------------------------------------------------------
 *
 * pquery.h
 *	  prototypes for pquery.c.
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/tcop/pquery.h
 *
 * -------------------------------------------------------------------------
 */
#ifndef PQUERY_H
#define PQUERY_H

#include "nodes/parsenodes.h"
#include "utils/portal.h"

extern THR_LOCAL PGDLLIMPORT Portal ActivePortal;

extern PortalStrategy ChoosePortalStrategy(List* stmts);

extern List* FetchPortalTargetList(Portal portal);

extern List* FetchStatementTargetList(Node* stmt);

extern void PortalStart(Portal portal, ParamListInfo params, int eflags, Snapshot snapshot);

extern void PortalSetResultFormat(Portal portal, int nFormats, int16* formats);

extern bool PortalRun(
    Portal portal, long count, bool isTopLevel, DestReceiver* dest, DestReceiver* altdest, char* completionTag);

extern long PortalRunFetch(Portal portal, FetchDirection fdirection, long count, DestReceiver* dest);

#endif /* PQUERY_H */
